Iikhamera zevidiyo ze-4K zichaze ngokutsha ukubaliswa kwamabali okubonakalayo. Umthamo wabo wokuthatha kunye nokurekhoda umboniso ngenkcazo ephezulu kakhulu, enombala ocacileyo ocacileyo kunye nokushukuma kolwelo olupholileyo, akufakanga nje ubomi obutsha kwiibali zebhanyabhanya kodwa kuphinde kwalungisa ukurekhodwa kweenkumbulo zobuqu.
Iikhamera zevidiyo ze-4K zenza okungakumbi kunokurekhoda iividiyo; baqulunqa umzuzwana kuyo nayiphi na iengile ngelixa bebamba zonke iinkcukacha zomboniso ngeenkcukacha ezityebileyo nezicacileyo. Kodwa ngeendlela ezahlukeneyo kwiimarike, abathengi bamashishini bakhetha njani ikhamera yevidiyo ye-4K efanelekileyo kwiimfuno zabo? Zeziphi iimpawu ekufuneka bazibeke phambili, kwaye zeziphi iintlobo ezahlukeneyo zeekhamera ze-4K ezikhoyo?
Esi sikhokelo esinzulu siya kunceda ukuphendula le mibuzo ngokubonelela ngomfanekiso opheleleyo wemarike yekhamera yevidiyo ye-4K yehlabathi, ukukhanya kwi-teknoloji ye-4K kunye nokusebenza kwayo. Siza kuphonononga iintlobo ezahlukeneyo zeekhamera zevidiyo ze-4K ezikhoyo kunye neempawu eziphambili ekufuneka sizikhumbule xa ujonge ukuba zeziphi.
Isiqulatho
Imakethi yekhamera yevidiyo ye-4K ivela njani
Ikhamera ye-HD epheleleyo vs. Ikhamera ye-4K: Yintoni umahluko?
Iimpawu eziphambili zokukhangela kwikhamera yevidiyo ye-4K
Iintlobo ezahlukeneyo zeekhamera zevidiyo ze-4K
isiphelo
Imakethi yekhamera yevidiyo ye-4K ivela njani
Njengoko imfuno yokucaca okuphuculweyo kunye nokubalwa kwepixel ephezulu iqhubeka nokukhula, iikhamera zevidiyo ze-4K zifumana ukukhula okubalulekileyo kwintengiso yehlabathi. Ixabisa i-US $21.07 billion ngo-2022, ubungakanani bemakethi yekhamera yevidiyo ye-4K kulindeleke ukuba ifikelele kwi-US $ 40.05 yezigidigidi ngo-2028, ikhula kwi-CAGR ye-11.3%.
Olu lwando luqhutywa ngumnqweno wevidiyo ekumgangatho ophezulu kuwo onke amashishini kunye nezicelo. Isidingo somgangatho wevidiyo okumgangatho ophezulu ngumntu wonke ukusuka kubasebenzisi bamaqonga okusasaza ukuya kwiinkampani zosasazo, ngakumbi ngokunxulumene nokunyuka kokuthandwa kwezemidlalo, iinkqubo zikamabonwakude, kunye nemiboniso yokwenyani, ngumqhubi obalulekileyo.
Ukongeza kumajelo eendaba kunye nokuzonwabisa, ukuqeshwa kweekhamera zedijithali ze-4K kumacandelo karhulumente kunye neendawo zoluntu, ngokukodwa ukukhangela, ukukhusela, kunye nezicelo ze-aerospace, nazo ziyakhula. Oku kusetyenziswa kujolise ekufikeleleni iimbono ezicacileyo zejografi, ukunika ujongo oluchane ngakumbi noluneenkcukacha lweziganeko zehlabathi kunye neendawo.
Ikhamera ye-HD epheleleyo vs. Ikhamera ye-4K: Yintoni umahluko?
Ikhamera ye-4K, eyaziwa ngokuba yi-Ultra HD, ithatha imifanekiso kwisisombululo se-3,840 pixels ububanzi kunye ne-2,160 pixels ubude. Igama elithi "4K" libhekiselele kwisisombululo esithe tyaba, esisiphinda-phinda kane isixazululo esikwizinga eliphezulu (HD). Ngenxa yoko, esi sigqibo siphezulu sinikezela imifanekiso eneenkcukacha ezibukhali ngokumangalisayo kunye nokucaca okuphezulu.
Kwelinye icala, i-Full HD, ekwabizwa ngokuba yi-1080p, ithatha imifanekiso kwisisombululo seepikseli ezili-1,920 ububanzi neepikseli ezili-1,080 ubude. U-“p” ku-1080p umele 'ukuskena okuqhubelekayo,' okuyindlela yokubonisa, ukugcina, kunye nokudlulisa imifanekiso eshukumayo apho yonke imigca yesakhelo ngasinye izotywe ngolandelelwano.
Iimpawu eziphambili zokukhangela kwikhamera yevidiyo ye-4K
Xa udubula kwi-4K, abasebenzisi baya kufuna ukuqiniseka ukuba babamba zonke iinkcukacha zesifundo sabo. Ukwenza oku, kubalulekile ukuba nekhamera yevidiyo ye-4K eneempawu ezifanelekileyo. Oku kubandakanya isisombululo esiphezulu, ukuqulunqa ngokukhawuleza, kunye nokusebenza kakuhle kokukhanya okuphantsi.
Ngoku siyazi ukuba i-4K imalunga nantoni, makhe sijonge kwiimpawu ezisixhenxe eziphambili ekufuneka siziqwalasele xa ukhetha ikhamera yevidiyo ye-4K.
Sensor Image
Inzwa yomfanekiso iliso lekhamera, ibamba ukukhanya kunye neenkcukacha zombala ezifunekayo ukuvelisa umfanekiso wokugqibela okanye ividiyo. Isivamvo esikhulu somfanekiso sinokuqokelela ukukhanya okungakumbi, okuthi ke kuguqulelwe kumfanekiso othe kratya kunye nevidiyo edlamkileyo. Xa ukhangela a ikhamera ye-4K ephezulu, amashishini kufuneka athathele ingqalelo enye ene- APS-C-ubungakanani boluvo (1.6x isityalo factor), ukwenzela umfanekiso ophezulu.
Umgangatho wefreyimu
Kwividiyo, ireyithi yesakhelo ibhekisa kwinani lemifanekiso nganye erekhodwa yikhamera ngesekhondi. A ikhamera ye-4K yobuchwephesha kufuneka ibonelele ubuncinci bezakhelo ezingama-30 ngesekhondi (fps) zokujongwa kwebhanyabhanya, ukuya ngaphezulu koko, ukuya kuthi ga kwi-120 fps, ivumela ukuthatyathwa kwentshukumo egudileyo.
Ukuhambelana kweLens
Ilensi yekhamera licandelo elibalulekileyo elingachaphazeli nje ukusondeza kunye namandla okugxila kodwa kunye nomgangatho kunye nokucaca komfanekiso othathiweyo. Kuyacetyiswa ukuba ukhethe a ikhamera ye-4K egcwele isakhelo iyahambelana neelensi eziguquguqukayo, ukuvumela ukuguquguquka kokutshintsha phakathi kweelensi eziphambili (ubude obugxininisekileyo) kunye neelensi zoom ngokuxhomekeke kwiimfuno zokudubula.
Inkqubo yokuzinzisa umfanekiso
Inkqubo yobuchwephesha yokuzinzisa umfanekiso yenzelwe ukunciphisa ukufiphala komfanekiso obangelwa kukushukuma kwekhamera okanye ukunyakaza. Eyona nto ifanelekileyo Ikhamera yesenzo sevidiyo ye-4K kufuneka ibe nenkqubo yokuqinisa umfanekiso wezinga eliphezulu ekwaziyo ukuhlawulela ukuhamba ukuya kuthi ga kwizitophu ezintlanu zesantya sokuvala - ukuba akukho ngaphezulu - okwenza abafoti basebenzise isantya esicothayo sokuvala ngaphandle komngcipheko wemifanekiso emfiliba ngenxa yokushukuma kwekhamera.
Umgangatho womculo
Imayikhrofoni eyakhelweyo a ikhamera ye-4K yobuchwephesha kufuneka ikwazi ukufaka ikhowudi yomsindo ekumgangatho ophezulu ongathotywanga okanye onakaliswe. Ukuseta ikhamera exhasa imakrofoni yangaphandle inokunyusa ngakumbi umgangatho womsindo. Intliziyo or yonke into iimayikhrofoni zigqwesile ekubambeni izandi ezikwindawo yokuhlala, ngakumbi kwiindawo ezithuleyo ezifana nezo zibonwa kumaxwebhu endalo.
ubomi bebhetri
Ikhamera yevidiyo ye-4K kunye nobomi bebhetri obuqinileyo buyimfuneko ekudubuleni okuqhubekayo. Ngokukhethwayo, amashishini kufuneka ajonge enye ehambelanayo nekhamera ye-USB yokutshaja. Njengenzuzo eyongeziweyo, qwalasela iimpawu ezixhasa ukutshaja okukhawulezayo okanye ukuxhomekeka kwiibhanki zamandla zangaphandle, kunye neendlela zokulondoloza amandla, njengokubonisa ukucima ngokuzenzekelayo.
Umthamo wokugcina
Umthamo wokugcina yenye into ebalulekileyo kuba iividiyo ze-4K zisebenzisa indawo enkulu xa kuthelekiswa neevidiyo ezinesombululo esisezantsi njenge-1080p okanye i-720p. Uninzi mini 4K iikhamera zedijithali Ifake i-SD, SDHC, okanye amakhadi eSDXC, anokuhlala ukuya kuthi ga kwi-2TB yedatha okanye ngaphezulu. Abanye eziphathwayo 4K camcorder nokuba neendawo zokubeka amakhadi amaninzi okurekhoda ngaxeshanye okanye ngokulandelelanayo. Umthetho olungileyo webhontsi iya kuba kukugcina ubuncinci i-45GB yendawo yokugcina ngeyure nganye yevidiyo ye-4K.
Iintlobo ezahlukeneyo zeekhamera zevidiyo ze-4K
Ngeekhamera zevidiyo ze-4K, abenzi befilimu banokuthatha imifanekiso emihle, eneenkcukacha eziya kubashiya abaphulaphuli babo bemangalisiwe. Kodwa ngeentlobo ezininzi ezahlukeneyo zeekhamera ze-4K ezikhoyo, kunokuba nzima ukwazi ukuba yeyiphi eyona ndlela ilungileyo. Ukunceda abathengi bamashishini bathathe isigqibo, apha sichaza iintlobo ezahlukeneyo zekhamera yevidiyo ye-4K:
Iikhamera zokuvelisa ividiyo
Iikhamera ze-4K kwimveliso yevidiyo iguqule ishishini lokwenza iifilimu ngokuzisa imifanekiso ekhrisimesi ngendlela emangalisayo eneenkcukacha zobomi. Ilungele ukudubula imiboniso entsonkothileyo efuna ubutyebi bobunzulu kunye nochasaniso, isixazululo se-3,840 x 2,160 esibonelelwa zezi khamera zevidiyo sifanelekile kwimbonakalo yomhlaba, ukutshona kwelanga, kunye nokusondelelana kobuso babantu.
Enye yeenzuzo ezinkulu zezi khamera zedijithali zizivamvo zabo eziphezulu. Ngokomzekelo, i 30x 4K ikhamera yedijithali ine-sensor ye-13MP enceda ukunciphisa ukukhanya okulahlekileyo, ukunciphisa i-crosstalk, kunye nokuphucula kakhulu umgangatho wesithombe ngokubanzi. Idityaniswe ne-X30 smart zoom, abasebenzisi banokubeka ngokulula imifanekiso yabo ngokuchanekileyo.
Ngapha koko, isikrini esichukumisayo esakhelwe ngaphakathi kwe-3.5-intshi ye-IPS ye-IPS senza kube lula kubenzi befilimu ukuba bajonge iimenyu kunye nokulawula ukurekhoda kwabo ngokufanelekileyo. Iikhamera zokuvelisa ividiyo ye-4K zikwalungile kubadali bomxholo abahamba kunye nevlog kumaqonga afana neYouTube.
The 64MP ikhamera yedijithali, umzekelo, iza nomsebenzi we-autofocus oqinisekisa imifanekiso ebukhali kwaye ecacileyo, nakwiimeko zokukhanya eziguqukayo. Nge-270-degree ejikelezayo ye-4-intshi yesikrini sokuchukumisa kunye nobomi bebhetri yeeyure ezintathu, abaqulunqi bomxholo banokurekhoda ngelixa beshaja, beqinisekisa ukusasazwa okungaphazanyiswa kwaye ukuvota.
Iikhamera ze-DSLR
Digital single-lens reflex, okanye Iikhamera ze-DSLR, zidla ngokusetyenziselwa ukudubula iividiyo zebakala lobuchwephesha ngenxa yokudityaniswa kwazo kobuchwephesha. Ikhamera ye-DSLR isebenzisa isibuko kunye nenkqubo yeprism, ebonisa umsebenzisi kanye oko kubonwa ilensi, ivumela ukuqulunqwa kwemifanekiso echanekileyo kunye nengqiqo.
Iikhamera ze-DSLR zibonelela ngezinto eziguquguqukayo ezongezelelekileyo ngokukwazi kwazo ukudityaniswa noluhlu olubanzi lweelensi ezinokutshintshana, zibonisa inkululeko yokulungisa kakuhle useto lwekhamera kunye neziphumo zokudubula ngakunye. Amandla eekhamera ze-DSLR 4K azilali kwisisombululo sodwa; zikwagqame ngomsebenzi wazo okhethekileyo wokukhanya okuphantsi.
Ezi khamera ziza zixhotyiswe ngeenzwa ezinkulu kunye neeprosesa zemifanekiso eziphezulu, ezivumela abasebenzisi ukuba babambe izinto ezibonakalayo ezicacileyo. Umzekelo weteknoloji enjalo ibonakala kwi ephathwayo 48M ikhamera yedijithali, inketho ye-DSLR ekrwelwe yi-18x yokusondeza idijithali, i-48 megapixels (MP) yeenkcukacha, kunye namandla ngokusebenzisa ibhetri ye-lithium ye-1,500 mAH yokuphila ixesha elide, zonke zihlanganiswe ngokucocekileyo kuyilo lwepateni ye-retro.
Iikhamera ezingenazimpazamo
Iikhamera ezingenazimpazamo, eyaziwa ngokuba yi-compact design kunye nendalo ekhaphukhaphu, lukhetho oludumileyo lokuhamba Ukufotowa okanye ividiyo. Ukusebenzisa itekhnoloji yeenzwa ezincinci, ngokwesiqhelo i-APS-C okanye i-DX, ezi khamera zevidiyo zibonelela ngenzuzo eyahlukileyo yokungabi nzima ngelixa uhambisa umfanekiso obalaseleyo.
Olunye uphawu olubalaseleyo ziinkqubo zabo ezikhawulezayo nezichanekileyo, ezixhaswa bubuchwephesha bokubona isigaba se-AF, ezithimba ngokungenasiphako izifundo ezihamba ngokukhawuleza. Ngaphaya koko, ezi khamera zedijithali ziza nokuguquguquka kweelensi ezinokutshintshana, zivumela abafoti ukuba batshintshe phakathi kweefoto zembonakalo yomhlaba ebanzi kunye nemifanekiso esondeleyo ngaphandle komzamo.
Umzekelo obalaseleyo wekhamera engenazipili esebenza kakhulu yi ikhamera yedijithali engenasipili 64MP. Le khamera yevidiyo ephuculweyo ine-4-intshi yokuchukumisa isikrini sokulawula okulula ukusisebenzisa kunye noqhagamshelo lwe-WiFi ukuvumela ukwabelana ngokukhawuleza kwamaxesha abanjwe.
Olunye uphawu oluphawulekayo lumsebenzi walo wokurekhoda i-timelapse evumela ukubanjwa kolandelelwano olumangalisayo ngexesha lexesha. Abasebenzisi banokutshintsha ugqaliselo kwimowudi yokujonga ebukhoma-inqaku eliluncedo ngakumbi kwiivlogger kunye nabenzi befilimu abazama iifreyimu ezigqibeleleyo.
Iikhamera ze-PTZ
Iikhamera ze-PTZ, mfutshane yePan-Tilt-Zoom, ziikhamera zedijithali ze-4K eziguquguqukayo eziyilelwe ukubonelela ngocupho oluneenkcukacha kwiimeko ezahlukeneyo. Banokusondezela umntu omnye okanye bafake ipani ngapha kwesihlwele esikhulu, banikezele ukuya kuthi ga kwi-60 yefreyimu ngesekhondi (fps) kwimifanekiso egudileyo.
Iikhamera ze-PTZ zihlala zixhotyiswe ngeempawu ezifana ne-auto-tracking, ezivumela ukuba zilandele izifundo ngokuzenzekelayo ngaphandle kokungenelela ngesandla. Ezi khamera zisebenza ngokufanelekileyo kwiimeko zokukhanya okuphantsi, kunye neemodeli ezithile, njenge 36x Optical PTZ 4K ikhamera, ebonelela ngemowudi yokukhanya kweenkwenkwezi ebusuku kunye netekhnoloji ye-infrared ukuze ibone kumnyama.
Njengeekhamera zokhuseleko ezinokubakho, iikhamera ze-PTZ ziza nesakhono sokurekhoda ividiyo esomelezwa ziinkqubo zokubona intshukumo ephucukileyo. Umzekelo, i Hetrolink 4K ikhamera yedijithali yenzelwe ialgorithms yokuqonda ubuso obukrelekrele kwaye isebenzisa itekhnoloji yokulandelela ilizwi. Enkosi kuluhlu lwayo lwemibhobho ye-omnidirectional eyakhelwe-ngaphakathi emithandathu, inokukhomba ngokuchanekileyo indawo yesithethi ngexesha lokwenyani.
Iidrones ze-4K
Iidrones ze-4K Ibonelela ngokurekhodwa kwevidiyo ekumgangatho ophezulu, ibenza ibe sisixhobo esihle kakhulu sokufota umfanekiso omangalisayo. Iimodeli ezixhotyiswe ngeenzwa eziphucukileyo njenge-intshi enye Iinzwa zeCMOS inokubamba ukuya kuthi ga kwi-12.6 yokumisa yoluhlu oluguqukayo kwaye ibonelele ngeevidiyo ezihamba kancinci kwi-4K 60fps.
Iidrones ezifana ne C-fly professional mini drone ibonisa i-gimbal ye-axis emithathu kunye nokusebenza kwe-autopilot, evumela ukuzinza komfanekiso nakwiimeko ezinomoya okanye xa uhamba ngokukhawuleza. I-optical flow positioning yale mini yedrone, kunye noluhlu lokulawula ukuya kuthi ga kwi-3,000 yeemitha kunye nokuchasana okunamandla, kwenza ukuba ukudubula okuchanekileyo nakwiimeko ezinzima.
Ngaphaya koko, uyilo lokusonga lwenza ezi drones zibe liqabane elibalaseleyo kukudubula kwangaphandle kunye nabathanda ukuhamba. Ezinye iimodeli zedrone ze-4K, ezinje XT2 ezimbini 4K Drone, yiza ixhotyiswe nge-thermal sensors ezimbini, ibonelela ngokusebenza okongeziweyo kunye nezakhono zokuvavanya ubushushu.
Eli nqaku alivumeli kuphela umfanekiso obonakalayo onomtsalane kodwa likwabonelela ngohlalutyo oluxabisekileyo lwedatha ngokusebenzisa ubukrelekrele bomatshini. Ngokugubungela imifanekiso ebonakalayo kunye nemijelo yedatha eshushu, abasebenzisi banokutolika ngokukhawuleza ulwazi olubalulekileyo lwezicelo kukhuseleko, ezolimo, kunye nokubeka iliso kokusingqongileyo.
isiphelo
Ukuqukumbela, ukufumana okuninzi kwikhamera yevidiyo ye-4K, udinga okungaphezulu kuneenkcazo ezichukumisayo - kufuneka ukhethe imodeli efanelekileyo yesitayile sevidiyo efunekayo kunye nenjongo. Abathengi bamashishini kufuneka bakhethe iikhamera zedijithali ze-4K ezinezinzwa ezinkulu kunye neelensi ezinokutshintshana, njengoko oku kubenza baqhelane ngakumbi neengoma ezahlukeneyo zokudubula. Ngaphezu koko, kubalulekile ukuqinisekisa ukuba ikhamera ye-4K ekhethiweyo inendawo yokugcina eyaneleyo yokufaka ngokupheleleyo ukurekhoda kwevidiyo ye-4K.
utyelelo Cooig.com namhlanje ukujonga ukhetho olupheleleyo lweekhamera zevidiyo ze-4K, kwaye ungalibali ukujonga iividiyo zesampulu ukuze ufumane ukuqonda okuqinisekileyo malunga nokuba ikhamera ye-4K ingaba njani!
